Evoqua Water Technologies · Electronic Components
3057A
Resistor, Variable, Wire Wound, Pre
Part Number3057A
ManufacturerEvoqua Water Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-556-3595 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Diameter0.250 INCHES NOMINAL
Section Quantity1
Body Diameter1.812 INCHES NOMINAL
Function Conformity Tolerance Per-0.50 TO 0.50 SINGLE SECTION
Rotary Actuator Travel In Angular1080.0 NOMINAL
Features ProvidedNONMETALLIC SHAFT
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Terminal Type And Quantity3 TAB, SOLDER LUG
Temp Coefficient Of Resistance Per-25.0 TO 25.0 SINGLE SECTION
Function Characteristic Per SectioSINGLE SECTION LINEAR
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 3057A available?
We can source 3057A even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 3057A by Evoqua Water Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3057A has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 3057A?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 3057A?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.